It appears that that isn't a static URL because it's changed already. Here's a link for the TH-C4 page where you can download the manual...

[Link: books.jvcservice.com]

According to the manual, there aren't too many codes in this remote.

Here are the steps to program a TV...
1) Slide the remote to TV.
2) Press and hold TV-POWER (keep pressed until step 4 is finished).
3) Press ENTER.
4) Press number buttons to enter the manufacturer’s 2-digit code.
5) Release TV-POWER.

Here are the steps to program a VCR, SAT or Cable box...
1) Slide the remote to VCR/DBS.
2) Press and hold VCR/DBS-POWER (keep pressed until step 4 is finished).
3) Press ENTER.
4) Press number buttons to enter the manufacturer’s 2-digit code.
5) Release VCR/DBS-POWER.

Here are the TV codes...

JVC 01
Hitachi 10
Magnavox 02
Mitsubishi 03
Panasonic 04, 11
Samsung 12
Sharp 06
Sony 07
Toshiba 08
Zenith 09
RCA 05

Here are the VCR codes...

JVC 01, 02, 03
Emerson 11, 26
Fisher 29
Funai 10, 14, 15, 16
Gold Star 12
Hitachi 04
Mitsubishi 13
NEC 25
Panasonic 07, 17
Philips 09
RCA 05, 06
Samsung 24
Sanyo 21, 22, 23
Sharp 27, 28
Shintom 30
Sony 18, 19, 20
Zenith 08

Here are the CATV/DBS codes...

Echostar 21
GI Jerrold 01, 02, 03, 04, 05, 06, 07, 08
Hamlin 15, 16, 17, 18
Pioneer 13, 14
RCA 19
Scientific Atlanta 09, 10
Sony 20
Zenith 11, 12